﻿using System;
class PrintTheFirst10Members
{
    static void Main()
    {
        Console.WriteLine(2);
        Console.WriteLine(-3);
        Console.WriteLine(4);
        Console.WriteLine(-5);
        Console.WriteLine(6);
        Console.WriteLine(-7);
        Console.WriteLine(8);
        Console.WriteLine(-9);
        Console.WriteLine(10);
        Console.WriteLine(-11);

    }
}